HELPP ME PLZ
12. Which of the following scenarios will result in work NOT being done?
a. A robot lifts a ball above its head.
b. A person pushes a box along the ground.
c. A waiter carries a tray of food across a restaurant.
d. A basketball player shoots a three-pointer.
Answers
The answer would be a
Pe = 1/2k(x)^2 and .05n/m = .05x10^-9m = x
pythagoras' theorem
square root (-5^2+9^2)
square root (25+81)
square root (106)
angle is tan^-1(9/5)
neg x, pos y
The charge of an ion with 55 protons and 52 electrons is +3. the reason is because protons are positive, and there are three more than the amount of negative electrons.
Do you know the answer?
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